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Zipperpin---2.1.9999.UNS-Ref.s

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%------------------------------------------------------------------------------
% File     : Zipperpin---2.1.9999
% Problem  : MGT021-1 : TPTP v9.3.0. Released v2.4.0.
% Transfm  : none
% Format   : tptp:raw
% Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.0d3h75OSXz true

% Computer : n010.cluster.edu
% Model    : x86_64 x86_64
% CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 2.10GHz
% Memory   : 8046.5625MB
% OS       : Linux 6.8.0-71-generic
% CPULimit : 300s
% WCLimit  : 300s
% DateTime : Tue Sep  8 06:24:48 AM UTC 2026

% Result   : Unsatisfiable 0.51s 0.78s
% Output   : Refutation 0.51s
% Verified : 
% SZS Type : -

% Comments : 
%------------------------------------------------------------------------------
%----WARNING: Could not form TPTP format derivation
%------------------------------------------------------------------------------
%----ORIGINAL SYSTEM OUTPUT
% 0.00/0.03  % Problem  : MGT021-1 : TPTP v9.3.0. Released v2.4.0.
% 0.00/0.05  % Command  : python3 /export/starexec/sandbox2/solver/bin/portfolio.lams.parallel.py %s %d /export/starexec/sandbox2/tmp/tmp.0d3h75OSXz true
% 0.11/0.38  % Computer : n010.cluster.edu
% 0.11/0.38  % Model    : x86_64 x86_64
% 0.11/0.38  % CPU      : Intel(R) Xeon(R) CPU E5-2620 v4 @ 2.10GHz
% 0.11/0.38  % Memory   : 8046.5625MB
% 0.11/0.38  % OS       : Linux 6.8.0-71-generic
% 0.11/0.38  % CPULimit : 300
% 0.11/0.38  % WCLimit  : 300
% 0.11/0.38  % DateTime : Mon Sep  7 12:03:41 UTC 2026
% 0.11/0.38  % CPUTime  : 
% 0.11/0.38  % Running portfolio for 300 s
% 0.11/0.38  % File         : /export/starexec/sandbox2/benchmark/theBenchmark.p
% 0.11/0.38  % Number of cores: 8
% 0.11/0.39  % Python version: Python 3.12.3
% 0.11/0.39  % Running in FO mode
% 0.46/0.68  % Total configuration time : 435
% 0.46/0.68  % Estimated wc time : 1092
% 0.46/0.68  % Estimated cpu time (7 cpus) : 156.0
% 0.51/0.76  % /export/starexec/sandbox2/solver/bin/fo/fo6_bce.sh running for 75s
% 0.51/0.78  % Solved by fo/fo6_bce.sh.
% 0.51/0.78  % BCE start: 11
% 0.51/0.78  % BCE eliminated: 1
% 0.51/0.78  % PE start: 10
% 0.51/0.78  logic: neq
% 0.51/0.78  % PE eliminated: 3
% 0.51/0.78  % done 8 iterations in 0.011s
% 0.51/0.78  % SZS status Theorem for '/export/starexec/sandbox2/benchmark/theBenchmark.p'
% 0.51/0.78  % SZS output start Refutation
% 0.51/0.78  thf(sk2_type, type, sk2: $i).
% 0.51/0.78  thf(number_of_organizations_type, type, number_of_organizations: $i > $i > $i).
% 0.51/0.78  thf(resources_type, type, resources: $i > $i > $i).
% 0.51/0.78  thf(sk1_type, type, sk1: $i).
% 0.51/0.78  thf(environment_type, type, environment: $i > $o).
% 0.51/0.78  thf(equilibrium_type, type, equilibrium: $i > $i).
% 0.51/0.78  thf(constant_type, type, constant: $i > $o).
% 0.51/0.78  thf(greater_type, type, greater: $i > $i > $o).
% 0.51/0.78  thf(subpopulations_type, type, subpopulations: $i > $i > $i > $i > $o).
% 0.51/0.78  thf(disbanding_rate_type, type, disbanding_rate: $i > $i > $i).
% 0.51/0.78  thf(increases_type, type, increases: $i > $o).
% 0.51/0.78  thf(zero_type, type, zero: $i).
% 0.51/0.78  thf(difference_type, type, difference: $i > $i > $i).
% 0.51/0.78  thf(in_environment_type, type, in_environment: $i > $i > $o).
% 0.51/0.78  thf(decreases_type, type, decreases: $i > $o).
% 0.51/0.78  thf(first_movers_type, type, first_movers: $i).
% 0.51/0.79  thf(efficient_producers_type, type, efficient_producers: $i).
% 0.51/0.79  thf(prove_l3_36, conjecture,
% 0.51/0.79    (~( subpopulations @ first_movers @ efficient_producers @ sk1 @ sk2 ))).
% 0.51/0.79  thf(zf_stmt_0, negated_conjecture,
% 0.51/0.79    (subpopulations @ first_movers @ efficient_producers @ sk1 @ sk2),
% 0.51/0.79    inference('cnf.neg', [status(esa)], [prove_l3_36])).
% 0.51/0.79  thf(zip_derived_cl9, plain,
% 0.51/0.79      ( (subpopulations @ first_movers @ efficient_producers @ sk1 @ sk2)),
% 0.51/0.79      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.51/0.79  thf(mp_time_point_in_environment_27, axiom,
% 0.51/0.79    (( ~( environment @ A ) ) | 
% 0.51/0.79     ( ~( subpopulations @ first_movers @ efficient_producers @ A @ B ) ) | 
% 0.51/0.79     ( in_environment @ A @ B ))).
% 0.51/0.79  thf(zip_derived_cl0, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (environment @ X0)
% 0.51/0.79          | ~ (subpopulations @ first_movers @ efficient_producers @ X0 @ X1)
% 0.51/0.79          |  (in_environment @ X0 @ X1))),
% 0.51/0.79      inference('cnf', [status(esa)], [mp_time_point_in_environment_27])).
% 0.51/0.79  thf(a3_32, axiom,
% 0.51/0.79    (( ~( environment @ A ) ) | ( ~( in_environment @ A @ B ) ) | 
% 0.51/0.79     ( ~( greater @ ( number_of_organizations @ A @ B ) @ zero ) ) | 
% 0.51/0.79     ( greater @ ( equilibrium @ A ) @ B ) | 
% 0.51/0.79     ( constant @ ( resources @ A @ B ) ))).
% 0.51/0.79  thf(zip_derived_cl5, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (environment @ X0)
% 0.51/0.79          | ~ (in_environment @ X0 @ X1)
% 0.51/0.79          | ~ (greater @ (number_of_organizations @ X0 @ X1) @ zero)
% 0.51/0.79          |  (greater @ (equilibrium @ X0) @ X1)
% 0.51/0.79          |  (constant @ (resources @ X0 @ X1)))),
% 0.51/0.79      inference('cnf', [status(esa)], [a3_32])).
% 0.51/0.79  thf(l4_34, axiom,
% 0.51/0.79    (( ~( environment @ A ) ) | 
% 0.51/0.79     ( ~( subpopulations @ first_movers @ efficient_producers @ A @ B ) ) | 
% 0.51/0.79     ( ~( constant @ ( resources @ A @ B ) ) ) | 
% 0.51/0.79     ( ~( decreases @
% 0.51/0.79          ( difference @
% 0.51/0.79            ( disbanding_rate @ first_movers @ B ) @ 
% 0.51/0.79            ( disbanding_rate @ efficient_producers @ B ) ) ) ))).
% 0.51/0.79  thf(zip_derived_cl7, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (environment @ X0)
% 0.51/0.79          | ~ (subpopulations @ first_movers @ efficient_producers @ X0 @ X1)
% 0.51/0.79          | ~ (constant @ (resources @ X0 @ X1))
% 0.51/0.79          | ~ (decreases @ 
% 0.51/0.79               (difference @ (disbanding_rate @ first_movers @ X1) @ 
% 0.51/0.79                (disbanding_rate @ efficient_producers @ X1))))),
% 0.51/0.79      inference('cnf', [status(esa)], [l4_34])).
% 0.51/0.79  thf(zip_derived_cl70, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         ( (greater @ (equilibrium @ X1) @ X0)
% 0.51/0.79          | ~ (greater @ (number_of_organizations @ X1 @ X0) @ zero)
% 0.51/0.79          | ~ (in_environment @ X1 @ X0)
% 0.51/0.79          | ~ (environment @ X1)
% 0.51/0.79          | ~ (decreases @ 
% 0.51/0.79               (difference @ (disbanding_rate @ first_movers @ X0) @ 
% 0.51/0.79                (disbanding_rate @ efficient_producers @ X0)))
% 0.51/0.79          | ~ (subpopulations @ first_movers @ efficient_producers @ X1 @ X0)
% 0.51/0.79          | ~ (environment @ X1))),
% 0.51/0.79      inference('dp-resolution', [status(thm)],
% 0.51/0.79                [zip_derived_cl5, zip_derived_cl7])).
% 0.51/0.79  thf(zip_derived_cl72, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (subpopulations @ first_movers @ efficient_producers @ X0 @ X1)
% 0.51/0.79          | ~ (environment @ X0)
% 0.51/0.79          | ~ (environment @ X0)
% 0.51/0.79          | ~ (subpopulations @ first_movers @ efficient_producers @ X0 @ X1)
% 0.51/0.79          | ~ (decreases @ 
% 0.51/0.79               (difference @ (disbanding_rate @ first_movers @ X1) @ 
% 0.51/0.79                (disbanding_rate @ efficient_producers @ X1)))
% 0.51/0.79          | ~ (environment @ X0)
% 0.51/0.79          | ~ (greater @ (number_of_organizations @ X0 @ X1) @ zero)
% 0.51/0.79          |  (greater @ (equilibrium @ X0) @ X1))),
% 0.51/0.79      inference('dp-resolution', [status(thm)],
% 0.51/0.79                [zip_derived_cl0, zip_derived_cl70])).
% 0.51/0.79  thf(zip_derived_cl75, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         ( (greater @ (equilibrium @ X0) @ X1)
% 0.51/0.79          | ~ (greater @ (number_of_organizations @ X0 @ X1) @ zero)
% 0.51/0.79          | ~ (decreases @ 
% 0.51/0.79               (difference @ (disbanding_rate @ first_movers @ X1) @ 
% 0.51/0.79                (disbanding_rate @ efficient_producers @ X1)))
% 0.51/0.79          | ~ (environment @ X0)
% 0.51/0.79          | ~ (subpopulations @ first_movers @ efficient_producers @ X0 @ X1))),
% 0.51/0.79      inference('simplify', [status(thm)], [zip_derived_cl72])).
% 0.51/0.79  thf(mp_environment_not_empty_28, axiom,
% 0.51/0.79    (( ~( environment @ A ) ) | 
% 0.51/0.79     ( ~( subpopulations @ first_movers @ efficient_producers @ A @ B ) ) | 
% 0.51/0.79     ( greater @ ( number_of_organizations @ A @ B ) @ zero ))).
% 0.51/0.79  thf(zip_derived_cl1, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (environment @ X0)
% 0.51/0.79          | ~ (subpopulations @ first_movers @ efficient_producers @ X0 @ X1)
% 0.51/0.79          |  (greater @ (number_of_organizations @ X0 @ X1) @ zero))),
% 0.51/0.79      inference('cnf', [status(esa)], [mp_environment_not_empty_28])).
% 0.51/0.79  thf(zip_derived_cl76, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (subpopulations @ first_movers @ efficient_producers @ X0 @ X1)
% 0.51/0.79          | ~ (environment @ X0)
% 0.51/0.79          | ~ (decreases @ 
% 0.51/0.79               (difference @ (disbanding_rate @ first_movers @ X1) @ 
% 0.51/0.79                (disbanding_rate @ efficient_producers @ X1)))
% 0.51/0.79          |  (greater @ (equilibrium @ X0) @ X1))),
% 0.51/0.79      inference('clc', [status(thm)], [zip_derived_cl75, zip_derived_cl1])).
% 0.51/0.79  thf(zip_derived_cl77, plain,
% 0.51/0.79      ((~ (environment @ sk1)
% 0.51/0.79        | ~ (decreases @ 
% 0.51/0.79             (difference @ (disbanding_rate @ first_movers @ sk2) @ 
% 0.51/0.79              (disbanding_rate @ efficient_producers @ sk2)))
% 0.51/0.79        |  (greater @ (equilibrium @ sk1) @ sk2))),
% 0.51/0.79      inference('s_sup-', [status(thm)], [zip_derived_cl9, zip_derived_cl76])).
% 0.51/0.79  thf(prove_l3_35, conjecture, (~( environment @ sk1 ))).
% 0.51/0.79  thf(zf_stmt_1, negated_conjecture, (environment @ sk1),
% 0.51/0.79    inference('cnf.neg', [status(esa)], [prove_l3_35])).
% 0.51/0.79  thf(zip_derived_cl8, plain, ( (environment @ sk1)),
% 0.51/0.79      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.51/0.79  thf(prove_l3_37, conjecture,
% 0.51/0.79    (~( decreases @
% 0.51/0.79        ( difference @
% 0.51/0.79          ( disbanding_rate @ first_movers @ sk2 ) @ 
% 0.51/0.79          ( disbanding_rate @ efficient_producers @ sk2 ) ) ))).
% 0.51/0.79  thf(zf_stmt_2, negated_conjecture,
% 0.51/0.79    (decreases @
% 0.51/0.79     ( difference @
% 0.51/0.79       ( disbanding_rate @ first_movers @ sk2 ) @ 
% 0.51/0.79       ( disbanding_rate @ efficient_producers @ sk2 ) )),
% 0.51/0.79    inference('cnf.neg', [status(esa)], [prove_l3_37])).
% 0.51/0.79  thf(zip_derived_cl10, plain,
% 0.51/0.79      ( (decreases @ 
% 0.51/0.79         (difference @ (disbanding_rate @ first_movers @ sk2) @ 
% 0.51/0.79          (disbanding_rate @ efficient_producers @ sk2)))),
% 0.51/0.79      inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.51/0.79  thf(zip_derived_cl78, plain, ( (greater @ (equilibrium @ sk1) @ sk2)),
% 0.51/0.79      inference('demod', [status(thm)],
% 0.51/0.79                [zip_derived_cl77, zip_derived_cl8, zip_derived_cl10])).
% 0.51/0.79  thf(zip_derived_cl0, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (environment @ X0)
% 0.51/0.79          | ~ (subpopulations @ first_movers @ efficient_producers @ X0 @ X1)
% 0.51/0.79          |  (in_environment @ X0 @ X1))),
% 0.51/0.79      inference('cnf', [status(esa)], [mp_time_point_in_environment_27])).
% 0.51/0.79  thf(a3_31, axiom,
% 0.51/0.79    (( ~( environment @ A ) ) | ( ~( in_environment @ A @ B ) ) | 
% 0.51/0.79     ( ~( greater @ ( number_of_organizations @ A @ B ) @ zero ) ) | 
% 0.51/0.79     ( ~( greater @ ( equilibrium @ A ) @ B ) ) | 
% 0.51/0.79     ( decreases @ ( resources @ A @ B ) ))).
% 0.51/0.79  thf(zip_derived_cl4, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (environment @ X0)
% 0.51/0.79          | ~ (in_environment @ X0 @ X1)
% 0.51/0.79          | ~ (greater @ (number_of_organizations @ X0 @ X1) @ zero)
% 0.51/0.79          | ~ (greater @ (equilibrium @ X0) @ X1)
% 0.51/0.79          |  (decreases @ (resources @ X0 @ X1)))),
% 0.51/0.79      inference('cnf', [status(esa)], [a3_31])).
% 0.51/0.79  thf(zip_derived_cl71, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (subpopulations @ first_movers @ efficient_producers @ X1 @ X0)
% 0.51/0.79          | ~ (environment @ X1)
% 0.51/0.79          |  (decreases @ (resources @ X1 @ X0))
% 0.51/0.79          | ~ (greater @ (equilibrium @ X1) @ X0)
% 0.51/0.79          | ~ (greater @ (number_of_organizations @ X1 @ X0) @ zero)
% 0.51/0.79          | ~ (environment @ X1))),
% 0.51/0.79      inference('dp-resolution', [status(thm)],
% 0.51/0.79                [zip_derived_cl0, zip_derived_cl4])).
% 0.51/0.79  thf(zip_derived_cl73, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (greater @ (number_of_organizations @ X1 @ X0) @ zero)
% 0.51/0.79          | ~ (greater @ (equilibrium @ X1) @ X0)
% 0.51/0.79          |  (decreases @ (resources @ X1 @ X0))
% 0.51/0.79          | ~ (environment @ X1)
% 0.51/0.79          | ~ (subpopulations @ first_movers @ efficient_producers @ X1 @ X0))),
% 0.51/0.79      inference('simplify', [status(thm)], [zip_derived_cl71])).
% 0.51/0.79  thf(zip_derived_cl1, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (environment @ X0)
% 0.51/0.79          | ~ (subpopulations @ first_movers @ efficient_producers @ X0 @ X1)
% 0.51/0.79          |  (greater @ (number_of_organizations @ X0 @ X1) @ zero))),
% 0.51/0.79      inference('cnf', [status(esa)], [mp_environment_not_empty_28])).
% 0.51/0.79  thf(zip_derived_cl74, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (subpopulations @ first_movers @ efficient_producers @ X1 @ X0)
% 0.51/0.79          | ~ (environment @ X1)
% 0.51/0.79          |  (decreases @ (resources @ X1 @ X0))
% 0.51/0.79          | ~ (greater @ (equilibrium @ X1) @ X0))),
% 0.51/0.79      inference('clc', [status(thm)], [zip_derived_cl73, zip_derived_cl1])).
% 0.51/0.79  thf(zip_derived_cl79, plain,
% 0.51/0.79      ((~ (subpopulations @ first_movers @ efficient_producers @ sk1 @ sk2)
% 0.51/0.79        | ~ (environment @ sk1)
% 0.51/0.79        |  (decreases @ (resources @ sk1 @ sk2)))),
% 0.51/0.79      inference('s_sup-', [status(thm)], [zip_derived_cl78, zip_derived_cl74])).
% 0.51/0.79  thf(zip_derived_cl9, plain,
% 0.51/0.79      ( (subpopulations @ first_movers @ efficient_producers @ sk1 @ sk2)),
% 0.51/0.79      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.51/0.79  thf(zip_derived_cl8, plain, ( (environment @ sk1)),
% 0.51/0.79      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.51/0.79  thf(zip_derived_cl80, plain, ( (decreases @ (resources @ sk1 @ sk2))),
% 0.51/0.79      inference('demod', [status(thm)],
% 0.51/0.79                [zip_derived_cl79, zip_derived_cl9, zip_derived_cl8])).
% 0.51/0.79  thf(l4_33, axiom,
% 0.51/0.79    (( ~( environment @ A ) ) | 
% 0.51/0.79     ( ~( subpopulations @ first_movers @ efficient_producers @ A @ B ) ) | 
% 0.51/0.79     ( ~( decreases @ ( resources @ A @ B ) ) ) | 
% 0.51/0.79     ( increases @
% 0.51/0.79       ( difference @
% 0.51/0.79         ( disbanding_rate @ first_movers @ B ) @ 
% 0.51/0.79         ( disbanding_rate @ efficient_producers @ B ) ) ))).
% 0.51/0.79  thf(zip_derived_cl6, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (environment @ X0)
% 0.51/0.79          | ~ (subpopulations @ first_movers @ efficient_producers @ X0 @ X1)
% 0.51/0.79          | ~ (decreases @ (resources @ X0 @ X1))
% 0.51/0.79          |  (increases @ 
% 0.51/0.79              (difference @ (disbanding_rate @ first_movers @ X1) @ 
% 0.51/0.79               (disbanding_rate @ efficient_producers @ X1))))),
% 0.51/0.79      inference('cnf', [status(esa)], [l4_33])).
% 0.51/0.79  thf(mp_increase_not_decrease_29, axiom,
% 0.51/0.79    (( ~( increases @ A ) ) | ( ~( decreases @ A ) ))).
% 0.51/0.79  thf(zip_derived_cl2, plain,
% 0.51/0.79      (![X0 : $i]: (~ (increases @ X0) | ~ (decreases @ X0))),
% 0.51/0.79      inference('cnf', [status(esa)], [mp_increase_not_decrease_29])).
% 0.51/0.79  thf(zip_derived_cl69, plain,
% 0.51/0.79      (![X0 : $i, X1 : $i]:
% 0.51/0.79         (~ (decreases @ (resources @ X1 @ X0))
% 0.51/0.79          | ~ (subpopulations @ first_movers @ efficient_producers @ X1 @ X0)
% 0.51/0.79          | ~ (environment @ X1)
% 0.51/0.79          | ~ (decreases @ 
% 0.51/0.79               (difference @ (disbanding_rate @ first_movers @ X0) @ 
% 0.51/0.79                (disbanding_rate @ efficient_producers @ X0))))),
% 0.51/0.79      inference('dp-resolution', [status(thm)],
% 0.51/0.79                [zip_derived_cl6, zip_derived_cl2])).
% 0.51/0.79  thf(zip_derived_cl81, plain,
% 0.51/0.79      ((~ (subpopulations @ first_movers @ efficient_producers @ sk1 @ sk2)
% 0.51/0.79        | ~ (environment @ sk1)
% 0.51/0.79        | ~ (decreases @ 
% 0.51/0.79             (difference @ (disbanding_rate @ first_movers @ sk2) @ 
% 0.51/0.79              (disbanding_rate @ efficient_producers @ sk2))))),
% 0.51/0.79      inference('s_sup-', [status(thm)], [zip_derived_cl80, zip_derived_cl69])).
% 0.51/0.79  thf(zip_derived_cl9, plain,
% 0.51/0.79      ( (subpopulations @ first_movers @ efficient_producers @ sk1 @ sk2)),
% 0.51/0.79      inference('cnf', [status(esa)], [zf_stmt_0])).
% 0.51/0.79  thf(zip_derived_cl8, plain, ( (environment @ sk1)),
% 0.51/0.79      inference('cnf', [status(esa)], [zf_stmt_1])).
% 0.51/0.79  thf(zip_derived_cl10, plain,
% 0.51/0.79      ( (decreases @ 
% 0.51/0.79         (difference @ (disbanding_rate @ first_movers @ sk2) @ 
% 0.51/0.79          (disbanding_rate @ efficient_producers @ sk2)))),
% 0.51/0.79      inference('cnf', [status(esa)], [zf_stmt_2])).
% 0.51/0.79  thf(zip_derived_cl82, plain, ($false),
% 0.51/0.79      inference('demod', [status(thm)],
% 0.51/0.79                [zip_derived_cl81, zip_derived_cl9, zip_derived_cl8, 
% 0.51/0.79                 zip_derived_cl10])).
% 0.51/0.79  
% 0.51/0.79  % SZS output end Refutation
% 0.51/0.79  
% 0.51/0.79  
% 0.51/0.79  % Terminating...
% 0.76/0.82  % Runner terminated.
% 0.76/0.83  % Zipperpin 1.5 exiting
%------------------------------------------------------------------------------